Hello! Could you help me to solve this task? I wrote it this way: P(win once)=0.1*0.7+0.9*0.3=0.34, but I am not sure if and there 0.65 should be used? Thanks in advance.

(a) If your favourite football team has a 10% chance of winning Saturday's game, a 30% chance of winning two weeks from now, and a 65% chance of losing both games, what are their chances of winning exactly once